clk: imx8mm: GPT1 clock mux option #5 should be sys_pll1_80m

i.MX8MM's GPT1 clock mux option #5 should be sys_pll1_80m,
NOT sys_pll1_800m, correct it.

Fixes: ba5625c3e272 ("clk: imx: Add clock driver support for imx8mm")
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
diff --git a/drivers/clk/imx/clk-imx8mm.c b/drivers/clk/imx/clk-imx8mm.c
index 358231d..b914771 100644
--- a/drivers/clk/imx/clk-imx8mm.c
+++ b/drivers/clk/imx/clk-imx8mm.c
@@ -293,7 +293,7 @@ static const char *imx8mm_pwm4_sels[] = {"osc_24m", "sys_pll2_100m", "sys_pll1_1
 					 "sys_pll3_out", "clk_ext2", "sys_pll1_80m", "video_pll1_out", };
 
 static const char *imx8mm_gpt1_sels[] = {"osc_24m", "sys_pll2_100m", "sys_pll1_400m", "sys_pll1_40m",
-					 "video_pll1_out", "sys_pll1_800m", "audio_pll1_out", "clk_ext1" };
+					 "video_pll1_out", "sys_pll1_80m", "audio_pll1_out", "clk_ext1" };
 
 static const char *imx8mm_wdog_sels[] = {"osc_24m", "sys_pll1_133m", "sys_pll1_160m", "vpu_pll_out",
 					 "sys_pll2_125m", "sys_pll3_out", "sys_pll1_80m", "sys_pll2_166m", };